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Finding the Fourth Proportional to 8,952.79, 12,354.77 and 4,973.90

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Solution

The fourth proportional to 8,952.79, 12,354.77 and 4,973.90 is: 6,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.79 : 12,354.77 = 4,973.90 : x
  2. Step 2: Convert to fraction form
    8,952.79/12,354.77 = 4,973.90/x
  3. Step 3: Cross multiply
    8,952.79x = 12,354.77 × 4,973.90
  4. Step 4: Simplify right side
    8,952.79x = 61,451,390.50
  5. Step 5: Solve for x
    x = 61,451,390.50/8,952.79
  6. Step 6: Final answer
    x = 6,863.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.